<%= form_tag resource_path(reimbursement, action: :assign), method: :post do %>
  <div class="field">
    <%= label_tag :assignee_id, "分配给" %>
    <%= select_tag :assignee_id, options_from_collection_for_select(AdminUser.all, :id, :email) %>
  </div>
  
  <div class="field">
    <%= label_tag :notes, "备注" %>
    <%= text_area_tag :notes, nil, rows: 3 %>
  </div>
  
  <div class="actions">
    <%= submit_tag "分配", class: "button" %>
  </div>
<% end %>